How To Fix /IWBEP/CM_MGW_RT118 - Property '&2' of data object '&1' has no field assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 118

• Message text: Property '&2' of data object '&1' has no field assigned

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_MGW_RT118 - Property '&2' of data object '&1' has no field assigned ?

  The SAP error message /IWBEP/CM_MGW_RT118 indicates that there is an issue with the data model in your OData service. Specifically, it means that a property of a data object is referenced but has not been properly assigned or defined in the context of the OData service.
  Cause:
  
  Missing Field Assignment: The property &2 of the data object &1 is not mapped to any field in the underlying data structure (like a database table or a structure).
  Incorrect Metadata Definition: The metadata definition for the OData service may not correctly reflect the underlying data model.
  Model Changes: If there have been recent changes to the data model (like adding or removing fields), the OData service may not have been updated accordingly.
  Code Issues: There may be issues in the implementation of the service, such as incorrect handling of the data object in the ABAP code.
  
  Solution:
  
  Check Data Model: Verify that the data object &1 has the property &2 defined in the underlying data structure. Ensure that the property is correctly mapped to a field in the database or structure.
  Update Metadata: If changes have been made to the data model, regenerate the metadata for the OData service. This can often be done using transaction /IWFND/MAINT_SERVICE to maintain the service and regenerate the metadata.
  Review Implementation: Check the implementation of the OData service in the ABAP code. Ensure that all properties are correctly handled and that there are no typos or logical errors in the code.
  Debugging: Use the ABAP debugger to trace the execution of the OData service and identify where the property is being referenced without being assigned.
  Check Service Registration: Ensure that the OData service is properly registered and activated in the SAP Gateway.
  
  Related Information:
  
  Transaction Codes: 
  
  /IWFND/MAINT_SERVICE: To maintain OData services.
  /IWBEP/REG_SERVICE: To register OData services.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues related to this error message.
  Documentation: Review the SAP Gateway documentation for best practices on defining and implementing OData services.
  
  By following these steps, you should be able to identify and resolve the issue causing the error message /IWBEP/CM_MGW_RT118.